Date: Mon, 11 Feb 2008 20:35:09 +0000 From: Rui Paulo <rpaulo@FreeBSD.org> To: Carl Johan Gustavsson <carl.gustavsson@bahnhofbredband.se> Cc: freebsd-amd64@freebsd.org Subject: Re: CFT: k8temp driver Message-ID: <F2787CD2-AB28-4E67-975C-89F38FADA68E@FreeBSD.org> In-Reply-To: <47AF63BD.7020403@bahnhofbredband.se> References: <A611E395-3531-4026-B8B3-5EFA72BA48E1@FreeBSD.org> <47AF63BD.7020403@bahnhofbredband.se>
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On Feb 10, 2008, at 8:51 PM, Carl Johan Gustavsson wrote: > Rui Paulo wrote: >> Hi, >> Some AMD systems have two thermal sensors on both cores. I wrote a >> simple driver to access these temperatures, but I don't have a system >> to test. If anyone has a AMD K8 system, I would love if you could >> test >> the k8temp driver that I wrote based on the Linux one. >> >> Get it at: >> http://people.freebsd.org/~rpaulo/k8temp.tgz >> >> Compile/test with: >> $ tar xzvf k8temp.tgz && cd k8temp >> $ make SYSDIR=/path/to/src/sys >> # kldload ./k8temp.ko >> >> This is still pre-alpha quality, so please don't use it on a >> production system. >> >> Thanks in advance. >> -- >> Rui Paulo >> > Hi! > > Tested it seems to work just fine! I gathered this info: > > # uname -a > FreeBSD sleipner.home.swe 7.0-PRERELEASE FreeBSD 7.0-PRERELEASE #0: > Sat > Feb 2 22:02:17 CET 2008 > carl@sleipner.home.swe:/usr/home/carl/usr.obj/usr/src/sys/ > SLEIPNER_7 i386 > > exerpt from dmesg: > CPU: Dual Core AMD Opteron(tm) Processor 165 (1808.34-MHz 686- > class CPU) > Origin = "AuthenticAMD" Id = 0x20f32 Stepping = 2 > > Features > = > 0x178bfbff > < > FPU > ,VME > ,DE > ,PSE > ,TSC > ,MSR > ,PAE > ,MCE > ,CX8 > ,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2,HTT> > Features2=0x1<SSE3> > AMD Features=0xe2500800<SYSCALL,NX,MMX+,FFXSR,LM,3DNow!+,3DNow!> > AMD Features2=0x3<LAHF,CMP> > Cores per package: 2 > ... > k8temp0: <AMD K8 Thermal Sensors> on hostb3 > k8temp0: 44 41 44 41 > > > # sysctl dev.k8temp > dev.k8temp.0.%desc: AMD K8 Thermal Sensors > dev.k8temp.0.%driver: k8temp > dev.k8temp.0.%parent: hostb3 > dev.k8temp.0.sensor0.core0: 44 > dev.k8temp.0.sensor0.core1: 40 > dev.k8temp.0.sensor1.core0: 45 > dev.k8temp.0.sensor1.core1: 45 > > It's tested in i386 now, but I can provide data for amd64 using the > same > cpu if you want. Well, it should work as well too. > Thanks for your work! It's a very handy feature. Thanks for the testing. :-) Regards. -- Rui Paulo
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